Our Profile

Holcim (US) Inc. is headquartered in Bedford, MA. Holcim is one of the largest manufacturers and suppliers of cement and mineral components in the United States. In addition to Portland cements, Holcim produces fly ash and slag cement products, such as GranCem® cement, to enhance concrete performance. Holcim also makes blended and masonry cements in a wide variety of colors.



John Stull,  Chief Executive Officer US Cement

He had previously been CEO United States for Lafarge since January 2012. After spending five years working for National Refractories and FMC, he joined Lafarge North America in 1992. Following a series of senior posts in operations and manufacturing, he was appointed President River Region in 2002. In 2006 he became Group Senior Vice President Marketing & Supply Chain. In 2008 he was named Regional President Latin America, and then in 2009 Regional President Sub-Saharan Africa.

Born in 1960, John Stull in an American national. He holds a Bachelor’s degree in Chemical Engineering from the University of Akron, studied business at Bowling Green State University in Ohio, and has an Advanced Management diploma from the Harvard Business School.


Ian Johnston, Chief Financial Officer, U.S. 
Ian Johnston was appointed CFO, US for LafargeHolcim in April 2016.  Prior to this appointment, Mr. Johnston held the position of CFO, Western Canada for LafargeHolcim.  He began his career with Lafarge in 1998. Mr. Johnston held a number of positions within the organization with increasing responsibility beginning his career as a Financial Analyst, Northeast Division, Eastern Canada. Prior to joining Lafarge, Mr. Johnston was employed by DRS Technologies and Digital Equipment Corporation. 

Mr. Johnston is a Canadian national. He holds a Bachelor of Commerce (Honours Accounting) from the University of Ottawa and is a Certified Management Accountant.


Norman L. Jagger, Senior Vice President, Sales and Marketing
Mr. Jagger was appointed Senior Vice President, Sales and Marketing for Holcim (US) in 2012. Prior to joining Holcim (US), Mr. Jagger held the position of Senior Vice President, Midwest Region for Aggregate Industries US from 2008 until his appointment to Senior Vice President, Sales and Marketing for Holcim (US) in 2012. Mr. Jagger began his career with Aggregate Industries US in 1983 holding positions in sales, plant management, production management, and as ready mix division sales manager.  

Mr. Jagger received a BS degree in Accounting in 1983 from the University of Minnesota Duluth.


David Loomes, Senior Vice President, Supply Chain and Terminals
Mr. Loomes began his career with Holcim in 1990 as a cement controller in South Africa. He then held positions of increasing responsibility in other Holcim Group companies including roles in finance, strategy, acquisitions, general management and commercial services. In 2008, he assumed the role of vice president, commercial services, where he handled corporate logistics, marketing support, product quality and performance, marketing operations and industry association involvement.

Mr. Loomes serves on the board of directors of the National Ready Mixed Concrete Association, and on the board of trustees for NRMCA Research and Education Foundation and Concrete Industry Management. He holds a Bachelor of Accounting Science and a honors in Accounting Science from the University of South Africa, is a Chartered Accountant (South Africa) and has a Master of Business Administration from the University of Western Ontario.


Jeff Ouhl, Senior Vice President, Manufacturing
Mr. Ouhl was appointed Senior Vice President, Manufacturing in April, 2011. Mr. Ouhl held the position of Vice President, Manufacturing from October, 2009 until his appointment to Senior Vice President, Manufacturing in April, 2011.  Prior to that date, Mr. Ouhl worked as the Plant Manager for the Ste. Genevieve, Missouri plant.  Before assuming his role as Plant Manager at the Ste. Genevieve plant, Mr. Ouhl was the plant manager for the Holly Hill, SC plant.  Mr. Ouhl served in 2003, as the Project Manager for the new Holly Hill plant construction when it began in 1999.  Mr. Ouhl started his career with Holcim (US) in 1994 as Plant Engineer at our previously-owned Seattle, WA plant and in 1996 was promoted to Maintenance Superintendent. In 1998, he accepted the position of Production Manager at our Artesia, MS plant. Prior to joining Holcim, Mr. Ouhl held several positions with Flohr Metal Fabricators from 1989 until 1994 that included sales, project management, and estimating. He was also a Production Line Supervisor with Genie Industries.

Mr. Ouhl has a Bachelor of Science degree in Industrial Technology from Washington State University. He has participated in the Holcim Cement Course, the Holcim Vesta Forum, and a variety of university-level courses and business-related training.